'use strict'
const path = require('path')
// const defaultSettings = require('./src/settings.js')

function resolve(dir) {
  return path.join(__dirname, dir)
}

// const name = defaultSettings.title || '智慧能源' // page title
const port = 8089 // dev port

module.exports = {
  publicPath: '/', // 【必要】静态文件使用相对路径
  outputDir: 'dist', //打包后的文件夹名字及路径
  assetsDir: 'static',  //静态资源打包路径
  //保存时是否校验
  // lintOnSave: process.env.NODE_ENV === 'development',
  lintOnSave: false, // eslint
  productionSourceMap: false,  //默认false 可以加快打包
  devServer: {  // 开发环境跨域情况的代理配置
    port: port,
    open: true, // 配置项目在启动时自动在浏览器打开
    overlay: {
      warnings: false,
      errors: true
    },
    https: false,
    proxy: {
      //配置跨域
      '/api': {
        // target: 'http://106.14.18.213:37211', //测试服
        target: 'http://192.168.8.169:23233', //陶本地
        // target: 'https://system.ori-iot.com', //线上服务器
        ws: false,
        changOrigin: true,
        pathRewrite: {
          '^/api': '/'
        }
      }
    },

  },
  configureWebpack: {
    resolve: { //添加别名
      alias: {
        '@': resolve('src')
      }
    }
  },
  chainWebpack(config) {
    config.plugins.delete('preload') // TODO: need test
    config.plugins.delete('prefetch') // TODO: need test

    // set svg-sprite-loader
    config.module
      .rule('svg')
      .exclude.add(resolve('src/icons'))
      .end()
    config.module
      .rule('icons')
      .test(/\.svg$/)
      .include.add(resolve('src/icons'))
      .end()
      .use('svg-sprite-loader')
      .loader('svg-sprite-loader')
      .options({
        symbolId: 'icon-[name]'
      })
      .end()

    // set preserveWhitespace
    config.module
      .rule('vue')
      .use('vue-loader')
      .loader('vue-loader')
      .tap(options => {
        options.compilerOptions.preserveWhitespace = true
        return options
      })
      .end()

    config
      .when(process.env.NODE_ENV === 'development',
        config => config.devtool('cheap-source-map')
      )

    config
      .when(process.env.NODE_ENV !== 'development',
        config => {
          config
            .plugin('ScriptExtHtmlWebpackPlugin')
            .after('html')
            .use('script-ext-html-webpack-plugin', [{
              // `runtime` must same as runtimeChunk name. default is `runtime`
              inline: /runtime\..*\.js$/
            }])
            .end()
          config
            .optimization.splitChunks({
              chunks: 'all',
              cacheGroups: {
                libs: {
                  name: 'chunk-libs',
                  test: /[\\/]node_modules[\\/]/,
                  priority: 10,
                  chunks: 'initial' // only package third parties that are initially dependent
                },
                elementUI: {
                  name: 'chunk-elementUI', // split elementUI into a single package
                  priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
                  test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm
                },
                commons: {
                  name: 'chunk-commons',
                  test: resolve('src/components'), // can customize your rules
                  minChunks: 3, //  minimum common number
                  priority: 5,
                  reuseExistingChunk: true
                }
              }
            })
          config.optimization.runtimeChunk('single')
        }
      )
  }
}
